integers.info
One thousand three hundred and eighty-one
1381 in other numeral systems
Binary
:
10101100101
Octal
:
2545
Hex
:
565
Roman
:
MCCCLXXXI
Prime factorization of 1381
1381 is a prime number
Divisors of 1381
1
and
1381
Is 1381 in the Fibonacci number sequence?
No.
Its nearest Fibonacci number neighbors are
987
and
1597
.